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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

1,3-Diethylurea Manufacturer/High quality/Best price/In stock

Cas:623-76-7

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

N,N'-Diethylurea

Cas:623-76-7

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com Product Name 1,3-Diethylurea CAS No. 623-76-7 Appearance

1,3-Diethylurea

Cas:623-76-7

Min.Order:1 Gram

FOB Price: $24.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

high quality 1,3-Diethylurea

Cas:623-76-7

Min.Order:1 Gram

FOB Price: $10.0

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

1,3-Diethylurea 623-76-7

Cas:623-76-7

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Factory direct supply CAS 623-76-7 with best quality

Cas:623-76-7

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after the dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available &diam

1,3-Diethylurea CAS623-76-7

Cas:623-76-7

Min.Order:1 Kilogram

FOB Price: $7.0 / 10.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product Name: 1,3-Diethylurea Synonyms: N,N-Diethylurea; Diethylurea symmetrical; N,N'-Diethylurea CAS RN.: 623-76-7 EINECS: 210-811-3 Molecular Weight: 116.1616 Molecular Formu

1,3-Diethylurea

Cas:623-76-7

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

1,3-Diethylurea

Cas:623-76-7

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ

1,3-Diethylurea

Cas:623-76-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

CAS NO.:623-76-7

Cas:623-76-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

1,3-Diethylurea

Cas:623-76-7

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply 1,3-diethylurea

Cas:623-76-7

Min.Order:0 Metric Ton

Negotiable

Type:Other

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

1,3-Diethylurea

Cas:623-76-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

1,3-Diethylurea/High quality/Best price

Cas:623-76-7

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

1,3-Diethylurea

Cas:623-76-7

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api, in

1,3-Diethylurea

Cas:623-76-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

1,3-Diethylurea

Cas:623-76-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Minstar Chemical Co., Ltd

1,3-Diethylurea Basic information Product Name: 1,3-Diethylurea Synonyms: 1,3-diethyl-ure;sym-N,N'-Diethylurea;Urea, 1,3-diethyl-;urea,n,n’-diethyl;Urea,N,N’-diethyl-;N,N'-DIETHYLUREA;SYM-DIETHYLUREA;LABOTEST-BB LT01690259 CAS: 6

1,3-Diethylurea

Cas:623-76-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

1,3-Diethylurea

Cas:623-76-7

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W

1,3-Diethylurea

Cas:623-76-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

1,3-Diethylurea

Cas:623-76-7

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hangzhou Zhongqi chem Co.,Ltd.

Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service an

1,3-diethylurea

Cas:623-76-7

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Wuhu Nuowei Chemistry Technologies Co., Ltd.

Wuhu Nuovo Chemical Technology Co., Ltd. was established in August 2014, mainly engaged in the development, production and sales of ionic liquids, ribose, nucleosides, nucleotides and related chemicals; Products are mainly used in new energy, new ma

1,3-Diethylurea

Cas:623-76-7

Min.Order:100 Gram

Negotiable

Type:Manufacturers

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

1,3-Diethylurea

Cas:623-76-7

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Greenutra Resource Inc

1,3-diethylureaAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air

1,3-diethylurea

Cas:623-76-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

1,3-Diethylurea

Cas:623-76-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

1,3-diethylurea

Cas:623-76-7

Min.Order:0

Negotiable

Type:Other

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:white crystalline powder Storage:Sealed in a cool ,dry and microtherm place , avoid light . Package:100g/bottle,1kg/bottle,25kg/drum or as per your request Application:It is an impo

623-76-7 supplier in China

Cas:623-76-7

Min.Order:100 Gram

Negotiable

Type:Trading Company

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

1,3-Diethylurea

Cas:623-76-7

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Synthetic route

ethylamine
75-04-7

ethylamine

S-methyl N-ethylthiocarbamate
39076-43-2

S-methyl N-ethylthiocarbamate

A

methylthiol
74-93-1

methylthiol

B

N,N'-diethylurea
623-76-7

N,N'-diethylurea

Conditions
ConditionsYield
In water at 40℃; for 8h;A n/a
B 100%
ethyl isocyanate
109-90-0

ethyl isocyanate

N,N'-diethylurea
623-76-7

N,N'-diethylurea

Conditions
ConditionsYield
With water; triethylamine In 1,4-dioxane at 20℃; for 0.05h;98.5%
With Ta(η5-C5Me5)(η3-1-phenylallyl)2 In toluene for 12h; Ambient temperature;63%
durch Zersetzung mit Wasser;
With hydrogen sulfide
S,S-dimethyl dithiocarbonate
868-84-8

S,S-dimethyl dithiocarbonate

ethylamine
75-04-7

ethylamine

N,N'-diethylurea
623-76-7

N,N'-diethylurea

Conditions
ConditionsYield
In water at 60℃; for 5h;96%
at 100℃;
carbon monoxide
201230-82-2

carbon monoxide

benzenenesulfenyl dimethylamine
6667-19-2

benzenenesulfenyl dimethylamine

A

N,N'-diethylurea
623-76-7

N,N'-diethylurea

B

N,N,N',N'-tetraethyloxamide
14288-05-2

N,N,N',N'-tetraethyloxamide

C

diethylamine
109-89-7

diethylamine

D

diethylthiocarbamic acid S-phenyl ester

diethylthiocarbamic acid S-phenyl ester

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0) In pyridine at 80℃; under 14701.2 Torr; for 10h; Carbonylation;A n/a
B 1.4 % Spectr.
C 3 % Spectr.
D 90%
ethylamine
75-04-7

ethylamine

urea
57-13-6

urea

N,N'-diethylurea
623-76-7

N,N'-diethylurea

Conditions
ConditionsYield
With cerium(III) chloride; potassium iodide In water for 0.0666667h; microwave irradiation;87%
at 140 - 150℃; Neat (no solvent);
carbon monoxide
201230-82-2

carbon monoxide

N,N-diethyl-S-(3-methoxy-phenyl)-thiohydroxylamine

N,N-diethyl-S-(3-methoxy-phenyl)-thiohydroxylamine

A

N,N'-diethylurea
623-76-7

N,N'-diethylurea

B

N,N,N',N'-tetraethyloxamide
14288-05-2

N,N,N',N'-tetraethyloxamide

C

diethylamine
109-89-7

diethylamine

D

diethyl-thiocarbamic acid S-(3-methoxy-phenyl) ester

diethyl-thiocarbamic acid S-(3-methoxy-phenyl) ester

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0) In pyridine at 80℃; under 14701.2 Torr; for 3h; Carbonylation;A n/a
B 1.4 % Spectr.
C 3 % Spectr.
D 81%
N-Methylhydroxylamine
593-77-1

N-Methylhydroxylamine

ethyl isocyanate
109-90-0

ethyl isocyanate

A

1-ethyl-3-methylurea
28145-10-0

1-ethyl-3-methylurea

B

N,N'-diethylurea
623-76-7

N,N'-diethylurea

Conditions
ConditionsYield
Stage #1: N-Methylhydroxylamine; ethyl isocyanate With magnesium oxide In acetone at 20℃; for 0.166667h;
Stage #2: for 0.0583333h; Microwave irradiation; neat (no solvent);
A 74%
B 10%
N-ethyl-2-(3-methylbenzo[d]thiazol-2(3H)-ylidene)hydrazinecarboxamide

N-ethyl-2-(3-methylbenzo[d]thiazol-2(3H)-ylidene)hydrazinecarboxamide

A

N,N'-diethylurea
623-76-7

N,N'-diethylurea

B

1,2-bis(3-methylbenzo[d]thiazol-2(3H)-ylidene)hydrazine
13545-63-6

1,2-bis(3-methylbenzo[d]thiazol-2(3H)-ylidene)hydrazine

Conditions
ConditionsYield
at 220℃; under 0.5 Torr; for 0.5h;A 73%
B 67%
N-Phenylhydroxylamine
100-65-2

N-Phenylhydroxylamine

ethyl isocyanate
109-90-0

ethyl isocyanate

A

N,N'-diethylurea
623-76-7

N,N'-diethylurea

B

1-ethyl-3-phenylurea
621-04-5

1-ethyl-3-phenylurea

Conditions
ConditionsYield
Stage #1: N-Phenylhydroxylamine; ethyl isocyanate With magnesium oxide In acetone at 20℃; for 0.166667h;
Stage #2: for 0.0666667h; Microwave irradiation; neat (no solvent);
A 9%
B 72%
N-Ethylimidazole
7098-07-9

N-Ethylimidazole

2-cyano-1-phenylacetylene
935-02-4

2-cyano-1-phenylacetylene

ethyl isocyanate
109-90-0

ethyl isocyanate

A

N,N'-diethylurea
623-76-7

N,N'-diethylurea

B

N-[(Z)-2-cyano-1-phenylethenyl]-N,1-diethyl-1H-imidazole-2-carboxamide
1415219-02-1

N-[(Z)-2-cyano-1-phenylethenyl]-N,1-diethyl-1H-imidazole-2-carboxamide

Conditions
ConditionsYield
In neat (no solvent) at 20 - 25℃; for 48h; Green chemistry; stereoselective reaction;A 31%
B 65%
1-methyl-1H-imidazole
616-47-7

1-methyl-1H-imidazole

2-cyano-1-phenylacetylene
935-02-4

2-cyano-1-phenylacetylene

ethyl isocyanate
109-90-0

ethyl isocyanate

A

N,N'-diethylurea
623-76-7

N,N'-diethylurea

B

(Z)-3-(1-methyl-1H-imidazol-2-yl)-3-phenyl-2-propenenitrile
1079368-39-0

(Z)-3-(1-methyl-1H-imidazol-2-yl)-3-phenyl-2-propenenitrile

C

N-[(Z)-2-cyano-1-phenylethenyl]-N-ethyl-1-methyl-1H-imidazole-2-carboxamide
1415219-01-0

N-[(Z)-2-cyano-1-phenylethenyl]-N-ethyl-1-methyl-1H-imidazole-2-carboxamide

Conditions
ConditionsYield
In neat (no solvent) at 20 - 25℃; for 24h; Green chemistry; stereoselective reaction;A 33%
B 10%
C 50%
ethyl isocyanate
109-90-0

ethyl isocyanate

A

N,N'-diethylurea
623-76-7

N,N'-diethylurea

B

C6H12N2O2
101981-15-1

C6H12N2O2

Conditions
ConditionsYield
With hydrogen; In tetrahydrofuran at 120℃; under 37503 Torr; for 40h;A n/a
B 41%
methanol
67-56-1

methanol

carbon monoxide
201230-82-2

carbon monoxide

ethylamine
75-04-7

ethylamine

A

methyl N-ethylcarbamate
6135-31-5

methyl N-ethylcarbamate

B

N,N'-diethylurea
623-76-7

N,N'-diethylurea

Conditions
ConditionsYield
With dichloro bis(acetonitrile) palladium(II); triethylamine under 760 Torr; for 4h; Ambient temperature;A 37%
B 18%
carbon monoxide
201230-82-2

carbon monoxide

ethylamine
75-04-7

ethylamine

A

methyl N-ethylcarbamate
6135-31-5

methyl N-ethylcarbamate

B

N,N'-diethylurea
623-76-7

N,N'-diethylurea

Conditions
ConditionsYield
With dichloro bis(acetonitrile) palladium(II); triethylamine In methanol under 760 Torr; for 4h; Ambient temperature;A 37%
B 18%
2-cyano-1-phenylacetylene
935-02-4

2-cyano-1-phenylacetylene

1-allylimidazole
31410-01-2

1-allylimidazole

ethyl isocyanate
109-90-0

ethyl isocyanate

A

N,N'-diethylurea
623-76-7

N,N'-diethylurea

B

(Z)-3-(1-allyl-1H-imidazol-2-yl)-3-phenyl-2-propenenitrile
1079368-45-8

(Z)-3-(1-allyl-1H-imidazol-2-yl)-3-phenyl-2-propenenitrile

C

1-allyl-N-[(Z)-2-cyano-1-phenylethenyl]-N-ethyl-1H-imidazole-2-carboxamide
1415219-03-2

1-allyl-N-[(Z)-2-cyano-1-phenylethenyl]-N-ethyl-1H-imidazole-2-carboxamide

Conditions
ConditionsYield
In neat (no solvent) at 20 - 25℃; for 24h; Green chemistry; stereoselective reaction;A 31%
B 37%
C 28%
chloroform
67-66-3

chloroform

ethanamine hydrochloride
557-66-4

ethanamine hydrochloride

N,N'-diethylurea
623-76-7

N,N'-diethylurea

Conditions
ConditionsYield
With oxygen; sodium hydroxide In water at 10℃; for 5h; Irradiation;14%
propionyl azide
7139-74-4

propionyl azide

N,N'-diethylurea
623-76-7

N,N'-diethylurea

Conditions
ConditionsYield
With ethanol
ethylcarbamic 2-hydroxyethylester
18804-23-4

ethylcarbamic 2-hydroxyethylester

N,N'-diethylurea
623-76-7

N,N'-diethylurea

Conditions
ConditionsYield
beim Erhitzen;
C8H17N3O2

C8H17N3O2

A

N,N'-diethylurea
623-76-7

N,N'-diethylurea

B

ethyl isocyanate
109-90-0

ethyl isocyanate

N',N'''-diethyl-N,N''-m-phenylene-di-urea
39938-75-5

N',N'''-diethyl-N,N''-m-phenylene-di-urea

N,N'-diethylurea
623-76-7

N,N'-diethylurea

Conditions
ConditionsYield
at 230℃;
N-ethyl-N'-biphenyl-4-yl-urea
871876-66-3

N-ethyl-N'-biphenyl-4-yl-urea

A

N,N'-diethylurea
623-76-7

N,N'-diethylurea

B

1,3-di([1,1'-biphenyl]-4-yl)urea
95745-38-3

1,3-di([1,1'-biphenyl]-4-yl)urea

Conditions
ConditionsYield
at 290℃;
methyl O-methyldithiocarbonate
19708-81-7

methyl O-methyldithiocarbonate

ethylamine
75-04-7

ethylamine

N,N'-diethylurea
623-76-7

N,N'-diethylurea

Conditions
ConditionsYield
at 100℃;
S-phenyl N-ethylthiocarbamate
14467-74-4

S-phenyl N-ethylthiocarbamate

ethylamine
75-04-7

ethylamine

N,N'-diethylurea
623-76-7

N,N'-diethylurea

Conditions
ConditionsYield
With ethanol
ethylamine
75-04-7

ethylamine

ethyl isocyanate
109-90-0

ethyl isocyanate

N,N'-diethylurea
623-76-7

N,N'-diethylurea

ethanamine hydrochloride
557-66-4

ethanamine hydrochloride

urea
57-13-6

urea

N,N'-diethylurea
623-76-7

N,N'-diethylurea

Conditions
ConditionsYield
at 160 - 170℃;
at 150 - 170℃;
N,N'-diethylcarbodiimide
693-29-8

N,N'-diethylcarbodiimide

N,N'-diethylurea
623-76-7

N,N'-diethylurea

Conditions
ConditionsYield
With hydrogenchloride
1,3-diethyluracil
22390-04-1

1,3-diethyluracil

N,N'-diethylurea
623-76-7

N,N'-diethylurea

Conditions
ConditionsYield
With tetramethyl ammoniumhydroxide In dimethyl sulfoxide
N-formylethylamine
627-45-2

N-formylethylamine

ethylamine
75-04-7

ethylamine

N,N'-diethylurea
623-76-7

N,N'-diethylurea

Conditions
ConditionsYield
(i) IF5, Py, (ii) /BRN= 505933/, benzene; Multistep reaction;
carbon monoxide
201230-82-2

carbon monoxide

ethylamine
75-04-7

ethylamine

N,N'-diethylurea
623-76-7

N,N'-diethylurea

Conditions
ConditionsYield
With sulfur at 120℃;
With iodine; potassium carbonate; palladium diacetate In acetonitrile at 95℃; under 2052 Torr; for 3h;75 % Chromat.
N-ethyl-N'-hydroxyurea
5710-11-2

N-ethyl-N'-hydroxyurea

A

N,N'-diethylurea
623-76-7

N,N'-diethylurea

B

N-ethyl-N'-ethylaminocarbonyloxyurea
27108-44-7

N-ethyl-N'-ethylaminocarbonyloxyurea

C

ethylamine
75-04-7

ethylamine

Conditions
ConditionsYield
In acetonitrile Product distribution; Mechanism; Electrolysis of N-hydroxy- or N-alkoxy-ureas; the effect of divided or undivided cell and the excess of ethylamine or isopropylamine.;
N,N'-diethylurea
623-76-7

N,N'-diethylurea

(E)-1-(buta-1,3-dien-1-yl)-4-(trifluoromethyl)benzene
205108-18-5

(E)-1-(buta-1,3-dien-1-yl)-4-(trifluoromethyl)benzene

1,3-Diethyl-4-[(E)-2-(4-trifluoromethyl-phenyl)-vinyl]-imidazolidin-2-one

1,3-Diethyl-4-[(E)-2-(4-trifluoromethyl-phenyl)-vinyl]-imidazolidin-2-one

Conditions
ConditionsYield
With dichloro bis(acetonitrile) palladium(II); p-benzoquinone In 1,2-dimethoxyethane at 60℃; for 48h;100%
N,N'-diethylurea
623-76-7

N,N'-diethylurea

(E)-1-Phenyl-1,3-butadiene
16939-57-4

(E)-1-Phenyl-1,3-butadiene

1,3-Diethyl-4-((E)-styryl)-imidazolidin-2-one

1,3-Diethyl-4-((E)-styryl)-imidazolidin-2-one

Conditions
ConditionsYield
With dichloro bis(acetonitrile) palladium(II); p-benzoquinone In 1,2-dimethoxyethane at 60℃; for 24h;99%
N,N'-diethylurea
623-76-7

N,N'-diethylurea

malonic acid
141-82-2

malonic acid

1,3-diethylbarbituric acid
32479-73-5

1,3-diethylbarbituric acid

Conditions
ConditionsYield
With acetic anhydride; acetic acid at 60℃; for 6h;97%
Stage #1: N,N'-diethylurea; malonic acid With acetic anhydride; acetic acid at 60℃; for 6h;
Stage #2: In water at 70℃; for 0.5h;
65%
N,N'-diethylurea
623-76-7

N,N'-diethylurea

methyl 2-methylaminocyanoacetate

methyl 2-methylaminocyanoacetate

1,3-diethyl-5-methylamino-6-aminouracil

1,3-diethyl-5-methylamino-6-aminouracil

Conditions
ConditionsYield
In 1,4-dioxane at 100 - 105℃; for 4h; Temperature;95.8%
N-methylene-tert-butylamine
13987-61-6

N-methylene-tert-butylamine

N,N'-diethylurea
623-76-7

N,N'-diethylurea

5-tert-Butyl-1,3-diethyl-[1,3,5]triazinan-2-one
140367-28-8

5-tert-Butyl-1,3-diethyl-[1,3,5]triazinan-2-one

Conditions
ConditionsYield
for 4h; Heating;94%
N,N'-diethylurea
623-76-7

N,N'-diethylurea

cyanoacetic acid
372-09-8

cyanoacetic acid

6-amino-1,3-diethyluracil
41740-15-2

6-amino-1,3-diethyluracil

Conditions
ConditionsYield
Stage #1: N,N'-diethylurea; cyanoacetic acid In acetic anhydride at 75 - 85℃; for 2h; Inert atmosphere; Large scale;
Stage #2: With sodium hydroxide at 5 - 10℃; for 1h; Large scale;
93.3%
With acetic anhydride at 80℃; for 2h;88%
Stage #1: N,N'-diethylurea; cyanoacetic acid With acetic anhydride at 60℃; for 0.166667h; microwave irradiation;
Stage #2: With sodium hydroxide In ethanol at 20℃;
70%
pyrimidine-2,4,5,6(1H,3H)-tetraone
61066-33-9, 61066-34-0, 61066-35-1, 61127-23-9

pyrimidine-2,4,5,6(1H,3H)-tetraone

N,N'-diethylurea
623-76-7

N,N'-diethylurea

1,3-diethyl-4-hydroxy-2,5-dioxo-imidazolidine-4-carboxylic acid carbamoylamide
71886-26-5

1,3-diethyl-4-hydroxy-2,5-dioxo-imidazolidine-4-carboxylic acid carbamoylamide

Conditions
ConditionsYield
In water at 90℃;93%
With water
N,N'-diethylurea
623-76-7

N,N'-diethylurea

(4SR,5RS,6SR)-5-methyl-4-phenyl-6-(pyrrolidin-1-ylcarbonyl)cycloheptane-1,2-dione

(4SR,5RS,6SR)-5-methyl-4-phenyl-6-(pyrrolidin-1-ylcarbonyl)cycloheptane-1,2-dione

C24H31N3O2

C24H31N3O2

Conditions
ConditionsYield
With zinc trifluoromethanesulfonate In acetonitrile at 100℃; for 2h; Inert atmosphere; Molecular sieve; Sealed vial;93%
N,N'-diethylurea
623-76-7

N,N'-diethylurea

(E)-3,4-dimethoxycinnamic chloride
39856-08-1, 141236-46-6

(E)-3,4-dimethoxycinnamic chloride

ethyl 2-methylaminocyanoacetate

ethyl 2-methylaminocyanoacetate

istradefylline
155270-99-8

istradefylline

Conditions
ConditionsYield
Stage #1: N,N'-diethylurea; ethyl 2-methylaminocyanoacetate In 1,4-dioxane at 95 - 100℃; for 5h;
Stage #2: With potassium hydroxide at 10 - 95℃; for 3h;
Stage #3: (E)-3,4-dimethoxycinnamic chloride With triethylamine In 1,4-dioxane at 10 - 45℃; for 5h; Temperature;
90.9%
Glyoxal
131543-46-9

Glyoxal

N,N'-diethylurea
623-76-7

N,N'-diethylurea

1,3-diethyl-4,5-dihydroxyimidazolidin-2-one
53629-29-1

1,3-diethyl-4,5-dihydroxyimidazolidin-2-one

Conditions
ConditionsYield
With hydrogenchloride In water at 50℃; for 2h; pH=4 - 4.5;90%
With sodium hydroxide at 50℃; for 7h; pH 5;60%
N,N'-diethylurea
623-76-7

N,N'-diethylurea

carbon monoxide
201230-82-2

carbon monoxide

cyclohexanecarbaldehyde
2043-61-0

cyclohexanecarbaldehyde

5-cyclohexyl-1,3-diethyl-imidazolidine-2,4-dione

5-cyclohexyl-1,3-diethyl-imidazolidine-2,4-dione

Conditions
ConditionsYield
With sulfuric acid; lithium bromide; bis(triphenylphosphine)palladium dibromide In 1-methyl-pyrrolidin-2-one at 100℃; under 45003.6 Torr; for 12h; Cyclization;89%
oxalyl dichloride
79-37-8

oxalyl dichloride

N,N'-diethylurea
623-76-7

N,N'-diethylurea

1-ethyl-2,4,5-trioxoimidazolidine
57012-86-9

1-ethyl-2,4,5-trioxoimidazolidine

Conditions
ConditionsYield
With benzene at 20℃;85%
N,N'-diethylurea
623-76-7

N,N'-diethylurea

2,3-dimethyl-buta-1,3-diene
513-81-5

2,3-dimethyl-buta-1,3-diene

1,3-diethyl-4-isopropenyl-4-methyl-imidazolidin-2-one

1,3-diethyl-4-isopropenyl-4-methyl-imidazolidin-2-one

Conditions
ConditionsYield
With dichloro bis(acetonitrile) palladium(II); p-benzoquinone In 1,2-dimethoxyethane at 60℃; for 24h;82%
phthalic anhydride
85-44-9

phthalic anhydride

5-fluoro-1H-indole-2,3-dione
443-69-6

5-fluoro-1H-indole-2,3-dione

N,N'-diethylurea
623-76-7

N,N'-diethylurea

5-hydroxy-5-(5-fluoro-2-(isoindolin-2-yl-1,3-dione)phenyl)-1,3-diethylhydantoin

5-hydroxy-5-(5-fluoro-2-(isoindolin-2-yl-1,3-dione)phenyl)-1,3-diethylhydantoin

Conditions
ConditionsYield
With toluene-4-sulfonic acid In acetonitrile at 80℃; for 5h;82%
N,N'-diethylurea
623-76-7

N,N'-diethylurea

isoprene
78-79-5

isoprene

A

1,3-diethyl-4-isopropenyl-imidazolidin-2-one

1,3-diethyl-4-isopropenyl-imidazolidin-2-one

B

1,3-diethyl-4-methyl-4-vinyl-imidazolidin-2-one

1,3-diethyl-4-methyl-4-vinyl-imidazolidin-2-one

Conditions
ConditionsYield
With dichloro bis(acetonitrile) palladium(II); p-benzoquinone In 1,2-dimethoxyethane at 60℃; for 24h; Title compound not separated from byproducts;A 81%
B n/a
dibromomethylborane
17933-16-3

dibromomethylborane

N,N'-diethylurea
623-76-7

N,N'-diethylurea

A

3,5-Diethyl-2,3,5,6-tetrahydro-2,6-dimethyl-4H-1,3,5,2,6-oxadiazadiborin-4-on
81233-27-4

3,5-Diethyl-2,3,5,6-tetrahydro-2,6-dimethyl-4H-1,3,5,2,6-oxadiazadiborin-4-on

B

2-Methyl-1,3,5-triethyl-1,3,5-triaza-2-bora-cyclohexandion-4,6

2-Methyl-1,3,5-triethyl-1,3,5-triaza-2-bora-cyclohexandion-4,6

Conditions
ConditionsYield
In tetrachloromethane byproducts: HBr; edducts refluxed under N2 in 1:1 ratio for 24 h; evapd. in vac., distd. in vac., elem. anal.;A n/a
B 81%
succinic acid anhydride
108-30-5

succinic acid anhydride

5-fluoro-1H-indole-2,3-dione
443-69-6

5-fluoro-1H-indole-2,3-dione

N,N'-diethylurea
623-76-7

N,N'-diethylurea

5-hydroxy-5-(5-fluoro-2-(pyrrolidin-1-yl-2,5-dione)phenyl)-1,3-diethylhydantoin

5-hydroxy-5-(5-fluoro-2-(pyrrolidin-1-yl-2,5-dione)phenyl)-1,3-diethylhydantoin

Conditions
ConditionsYield
With toluene-4-sulfonic acid In acetonitrile at 80℃; for 5h;81%
phthalic anhydride
85-44-9

phthalic anhydride

N,N'-diethylurea
623-76-7

N,N'-diethylurea

5-chloroindole 2,3-dione
17630-76-1

5-chloroindole 2,3-dione

5-hydroxy-5-(5-chloro-2-(isoindolin-2-yl-1,3-dione)phenyl)-1,3-diethylhydantoin

5-hydroxy-5-(5-chloro-2-(isoindolin-2-yl-1,3-dione)phenyl)-1,3-diethylhydantoin

Conditions
ConditionsYield
With toluene-4-sulfonic acid In acetonitrile at 80℃; for 5h;81%
N,N'-diethylurea
623-76-7

N,N'-diethylurea

ethylnitramine
19091-98-6

ethylnitramine

Conditions
ConditionsYield
With fuming sulphuric acid; nitric acid In dichloromethane at -5 - 20℃; for 1h; Temperature;80.6%
formaldehyd
50-00-0

formaldehyd

N,N'-diethylurea
623-76-7

N,N'-diethylurea

H-Phe-OEt
3081-24-1

H-Phe-OEt

(S)-2-(3,5-Diethyl-4-oxo-[1,3,5]triazinan-1-yl)-3-phenyl-propionic acid ethyl ester
130750-10-6

(S)-2-(3,5-Diethyl-4-oxo-[1,3,5]triazinan-1-yl)-3-phenyl-propionic acid ethyl ester

Conditions
ConditionsYield
In water at 70 - 110℃;80%
formaldehyd
50-00-0

formaldehyd

N,N'-diethylurea
623-76-7

N,N'-diethylurea

L-serine ethyl ester hydrochloride
26348-61-8

L-serine ethyl ester hydrochloride

5-<1-(S)-(1-Carbethoxy-2-hydroxy)ethyl>-1,3-diethyl-hexahydro-2-oxo-1,3,5-triazine
130767-32-7

5-<1-(S)-(1-Carbethoxy-2-hydroxy)ethyl>-1,3-diethyl-hexahydro-2-oxo-1,3,5-triazine

Conditions
ConditionsYield
With triethylamine In ethanol; water for 20h; Heating;80%
N,N'-diethylurea
623-76-7

N,N'-diethylurea

(E)-1-(buta-1,3-diene-1-yl)-4-methoxybenzene
32507-39-4

(E)-1-(buta-1,3-diene-1-yl)-4-methoxybenzene

1,3-Diethyl-4-[(E)-2-(4-methoxy-phenyl)-vinyl]-imidazolidin-2-one

1,3-Diethyl-4-[(E)-2-(4-methoxy-phenyl)-vinyl]-imidazolidin-2-one

Conditions
ConditionsYield
With dichloro bis(acetonitrile) palladium(II); p-benzoquinone In 1,2-dimethoxyethane at 60℃; for 24h;80%
phthalic anhydride
85-44-9

phthalic anhydride

5-methyl-indole-2,3-dione
608-05-9

5-methyl-indole-2,3-dione

N,N'-diethylurea
623-76-7

N,N'-diethylurea

5-hydroxy-5-(5-methyl-2-(isoindolin-2-yl-1,3-dione)phenyl)-1,3-diethylhydantoin

5-hydroxy-5-(5-methyl-2-(isoindolin-2-yl-1,3-dione)phenyl)-1,3-diethylhydantoin

Conditions
ConditionsYield
With toluene-4-sulfonic acid In acetonitrile at 80℃; for 5h;80%
dibromomethylborane
17933-16-3

dibromomethylborane

N,N'-diethylurea
623-76-7

N,N'-diethylurea

A

tributyl borane
122-56-5

tributyl borane

B

3,5-Diethyl-2,3,5,6-tetrahydro-2,6-dimethyl-4H-1,3,5,2,6-oxadiazadiborin-4-on
81233-27-4

3,5-Diethyl-2,3,5,6-tetrahydro-2,6-dimethyl-4H-1,3,5,2,6-oxadiazadiborin-4-on

Conditions
ConditionsYield
With n-butyllithium In hexane; Petroleum ether byproducts: butane, LiBr; the urea in petroleum ether was refluxed under N2 with n-BuLi in hexanefor 48 h; the solvents were removed in vac., the residue was fractional distd.; elem. anal.;A n/a
B 79%

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